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» On the Complexity of Join Predicates
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SIGSOFT
2010
ACM
13 years 8 months ago
An effective dynamic analysis for detecting generalized deadlocks
We present an effective dynamic analysis for finding a broad class of deadlocks, including the well-studied lock-only deadlocks as well as the less-studied, but no less widespread...
Pallavi Joshi, Mayur Naik, Koushik Sen, David Gay
SLOGICA
2011
13 years 5 months ago
Logics for Qualitative Inductive Generalization
The paper contains a survey of (mainly unpublished) adaptive logics of inductive generalization. These defeasible logics are precise formulations of certain methods. Some attentio...
Diderik Batens
PEPM
2010
ACM
14 years 7 months ago
Optimizing relational algebra operations using generic equivalence discriminators and lazy products
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
Fritz Henglein
CSCW
2010
ACM
14 years 7 months ago
Catchup: a useful application of time-travel in meetings
People are often required to catch up on information they have missed in meetings, because of lateness or scheduling conflicts. Catching up is a complex cognitive process where pe...
Simon Tucker, Ofer Bergman, Anand Ramamoorthy, Ste...
PVLDB
2010
85views more  PVLDB 2010»
13 years 8 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu